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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Southampton Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Blackwater this week, as conditions are expected to bring a mix of cloud and sunny spells, typical for late autumn in this inland Hampshire village near the Surrey border.
What is the forecast for Blackwater today and this week?
According to the live forecast above, Blackwater will see a largely dry period with light winds. Temperatures will hover near seasonal averages, though overnight frost is possible under clear skies. The surrounding countryside may see patchy fog in the mornings, especially near the Blackwater River valley. For a broader view, see the UK weather hub or check the 10-day forecast.
How does Blackwater’s inland location affect its weather?
Blackwater sits inland in Hampshire, away from the moderating influence of the Solent and English Channel. This means summers can be slightly warmer and winters a touch colder than coastal spots like Southampton or Portsmouth. Showers often develop in the afternoon during unsettled spells, and the area can be prone to localised flooding after prolonged rain.
Is Blackwater prone to flooding?
Blackwater sits near the Blackwater River and can experience localised flooding after heavy rain. The Environment Agency issues flood alerts for the area. Check live warnings on gov.uk before travel.
What is the best time to visit Blackwater?
Late spring and early autumn offer the most settled weather, with mild temperatures and lower rainfall. The village is popular for walking in the surrounding heathland and woodland.
How does the weather affect travel around Blackwater?
Fog can reduce visibility on the A30 and A331 in the mornings, while icy patches may form on side roads in winter. The live forecast above provides guidance for safe driving.
Sources
- Met Office forecast for Blackwater
- <a href="https://www.bbc.co.uk/weather" rel="nofollow noopener